40139407355 has 16 divisors (see below), whose sum is σ = 50145635520. Its totient is φ = 30806735232.

The previous prime is 40139407351. The next prime is 40139407361. The reversal of 40139407355 is 55370493104.

It is a cyclic number.

It is not a de Polignac number, because 40139407355 - 2² = 40139407351 is a prime.

It is a super-2 number, since 2×40139407355² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40139407351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858839 + ... + 904368.

It is an arithmetic number, because the mean of its divisors is an integer number (3134102220).

Almost surely, 2^40139407355 is an apocalyptic number.

40139407355 is a deficient number, since it is larger than the sum of its proper divisors (10006228165).

40139407355 is a wasteful number, since it uses less digits than its factorization.

40139407355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763398.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 40139407355 in words is "forty billion, one hundred thirty-nine million, four hundred seven thousand, three hundred fifty-five".